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Finding the Fourth Proportional to 432,830.56, 652,200.22 and 355,673.20

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Solution

The fourth proportional to 432,830.56, 652,200.22 and 355,673.20 is: 535,937.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,830.56 : 652,200.22 = 355,673.20 : x
  2. Step 2: Convert to fraction form
    432,830.56/652,200.22 = 355,673.20/x
  3. Step 3: Cross multiply
    432,830.56x = 652,200.22 × 355,673.20
  4. Step 4: Simplify right side
    432,830.56x = 231,970,139,288.10
  5. Step 5: Solve for x
    x = 231,970,139,288.10/432,830.56
  6. Step 6: Final answer
    x = 535,937.53

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.